1. From the Department of Radiology (C.M., W.D.W., J.C., A.D., J.A.V.), Leuven Lung Transplant Unit (S.E.V., J.E.M., S.W., D.E.V.R., G.M.V., B.M.V., W.A.W.), and Department of Pathology (E.K.V.), UZ Leuven, Herestraat 49, 3000 Leuven, Belgium; and University of British Columbia James Hogg Research Centre, St Paul’s Hospital, Vancouver, British Columbia, Canada (J.E.M., J.C.H.).